Tags: Noble.
William I Count of Nevers was the son of Renauld I Count of Nevers and Adela of France Countess d’Auxerre. In 1040 he succeeded his father as Count of Nevers and d’Auxerre and in 1065 he was also the Count of Tonnerre. He married Ermengarde daughter of Renauld Count of Tonnerre About 1039. William died at Nevers 20 June 1100.William I and Ermengarde had six children: Renauld II († 1089) Succeeded his father as Count of Nevers and Count of Auxerre.